P0736 on Ford
Reverse Incorrect Gear Ratio
P0736 on Ford vehicles indicates reverse incorrect gear ratio. Au7o has documented this code across 4 Ford models — most commonly on Explorer, F-150, Ranger. This code means the transmission control module calculated that the actual gear ratio in reverse does not match the expected ratio. The module compares input (turbine) speed to output speed to verify the transmission is in the correct gear; a mismatch in reverse indicates slipping or a hydraulic/mechanical problem in reverse. Symptoms include the vehicle slipping in or refusing to engage reverse. Internal clutch wear, low fluid, or solenoid faults are typical causes.
Common Causes of P0736
- •Worn reverse clutches/bands (internal slippage)
- •Low or dirty transmission fluid
- •Faulty shift or pressure control solenoid
- •Internal hydraulic pressure loss
- •Valve body fault
- •Faulty speed sensor giving bad ratio data
- •Faulty transmission control module
P0736 on Ford by Model
Ford Explorer(1 issue)
- 10R60 Harsh or Delayed Engagement and Shifting2020-2023
Ford TSB 23-2350 covers some 2020-2023 Explorer vehicles with the 10R60 transmission that exhibit harsh or delayed engagement or shifting, sometimes with the malfunction indicator lamp and listed transmission DTCs. Ford identifies several possible causes, including control-module software, solenoid identification strategy, sticking main-control valves, or axial movement of the CDF clutch-cylinder sleeve.
Ford F-150(1 issue)
- 10R80 Adaptive Calibration Can Cause Harsh or Delayed Shifts2017-2020
Ford TSB 23-2250 covers some 2017-2020 F-150 trucks with the 10R80 automatic transmission. Harsh engagement, harsh or delayed shifts, a malfunction indicator lamp, and listed ratio or shift-solenoid DTCs can result when the adaptive calibration does not adapt correctly to hardware break-in over time.
Ford Ranger(1 issue)
- 10R80 Harsh or Delayed Engagement and Shifting2019-2023
Ford TSBs cover some 2019-2023 Ranger vehicles with harsh or delayed engagement or shifts and specified ratio, solenoid, or clutch-performance codes. Ford identifies hydraulic leakage from axial movement of the CDF clutch-cylinder sleeve as one possible cause; a separate current bulletin covers harsh 3-4 or 4-5 upshifts, harsh 5-3 or 4-3 downshifts, or harsh reverse on some 2022-2023 vehicles from F-clutch plate brinelling.
Ford Transit(1 issue)
- 10R80 Harsh or Delayed Engagement and Shift Bulletin2020-2023
Ford TSB 24-2254 covers certain 2020-2023 Transit vehicles with the 10R80 transmission that may have harsh or delayed engagement, harsh or delayed shifts, and specified ratio, shift-solenoid, or clutch-performance DTCs. Ford identifies possible PCM/TCM software, solenoid strategy, sticking main-control valves, or CDF clutch-cylinder sleeve movement rather than one universal cause.
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View P0736 across all makes →Frequently Asked Questions
What does P0736 mean on Ford?▼
P0736 stands for "Reverse Incorrect Gear Ratio." This code means the transmission control module calculated that the actual gear ratio in reverse does not match the expected ratio. The module compares input (turbine) speed to output speed to verify the transmission is in the correct gear; a mismatch in reverse indicates slipping or a hydraulic/mechanical problem in reverse. Symptoms include the vehicle slipping in or refusing to engage reverse. Internal clutch wear, low fluid, or solenoid faults are typical causes. On Ford specifically, this code is documented across 4 models.
What causes P0736 on Ford vehicles?▼
Common causes on Ford: Worn reverse clutches/bands (internal slippage), Low or dirty transmission fluid, Faulty shift or pressure control solenoid, Internal hydraulic pressure loss, Valve body fault. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0736 on a Ford?▼
Repair costs vary widely depending on the root cause and specific Ford model.
Which Ford models have P0736 documented?▼
Au7o has documented P0736 on 4 Ford models: Explorer, F-150, Ranger, Transit.